Loudspeaker



FIG. 1 is a perspective view showing a loudspeaker of our new design;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 2.

The dot-dash broken lines represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating the unclaimed portions of the loudspeaker; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 